Tripp-lite SmartPro Cable

pinout

Part# 73-0743 (SmartPro UPS). Should work with PowerAlert software.

9 pin D-SUB male connector  to the UPS

UPS Signal Name DB-9 Male (UPS end) DB-9 Female (PC end) PC Signal Name Tx 7 2 RxD Rx 9 3 TxD Common 8 5 GND Pins 7 and 8; pins 1 and 4 and 6 shorted at he PC end connector.

9 pin D-SUB female connector  to the computer

Source:www.pinouts.ru